/
service.go
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/
service.go
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// Copyright (c) 2021 Terminus, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package kubernetes
import (
"context"
"fmt"
corev1 "k8s.io/api/core/v1"
v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
)
// GetService List service resource under the specified cluster and namespace.
func (k *Kubernetes) GetService(clusterName, namespace, svcName string) (*corev1.Service, error) {
client, err := k.getK8sClient(clusterName)
if err != nil {
return nil, fmt.Errorf("get cluster %s clientset error, %v", clusterName, err)
}
cm, err := client.ClientSet.CoreV1().Services(namespace).Get(context.Background(), svcName, v1.GetOptions{})
if err != nil {
return nil, fmt.Errorf("cluster %s get service(namespace: %s) %s error, %v", clusterName, namespace, svcName, err)
}
return cm, nil
}
// CreateService Crate service on specified cluster and namespace.
func (k *Kubernetes) CreateService(clusterName, namespace string, svc *corev1.Service) error {
if svc == nil {
return fmt.Errorf("service entity can't be nil")
}
client, err := k.getK8sClient(clusterName)
if err != nil {
return fmt.Errorf("get cluster %s clientset error, %v", clusterName, err)
}
_, err = client.ClientSet.CoreV1().Services(namespace).Create(context.Background(), svc, v1.CreateOptions{})
if err != nil {
return fmt.Errorf("cluster %s create service(namespace: %s) %s error, %v", clusterName, namespace, svc.Name, err)
}
return nil
}
// DeleteService Delete service on specified cluster and namespace.
func (k *Kubernetes) DeleteService(clusterName, namespace, svcName string) error {
client, err := k.getK8sClient(clusterName)
if err != nil {
return fmt.Errorf("get cluster %s clientset error, %v", clusterName, err)
}
err = client.ClientSet.CoreV1().Services(namespace).Delete(context.Background(), svcName, v1.DeleteOptions{})
if err != nil {
return fmt.Errorf("cluster %s delete service(namespace: %s) %s error, %v", clusterName, namespace, svcName, err)
}
return nil
}
// UpdateService Update service on specified cluster and namespace.
func (k *Kubernetes) UpdateService(clusterName, namespace string, svc *corev1.Service) error {
if svc == nil {
return fmt.Errorf("secret entity can't be nil")
}
client, err := k.getK8sClient(clusterName)
if err != nil {
return fmt.Errorf("get cluster %s clientset error, %v", clusterName, err)
}
_, err = client.ClientSet.CoreV1().Services(namespace).Update(context.Background(), svc, v1.UpdateOptions{})
if err != nil {
return fmt.Errorf("cluster %s update service(namespace: %s) %s error, %v", clusterName, namespace, svc.Name, err)
}
return nil
}